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Array.forEach() Method in JavaScript
How can we iterate array items through a loop in JavaScript ??
If you know the above question answer then give the answer in comment section.
Today we are learning the most important method in JavaScript.
Array.forEach();
What is Array.forEach()
method ?
=> In which method we can
iterate array items through
a loop it's called
Array.forEach() method.
Syntax of Array.forEach()
=> arr.forEach((item, index)
=> { // code here.. })
This method return a callback function.
Example
Explanation
(1) Let's create an array and give any name as per you but I gave 'arr' as name.
(2) Now, I used here in next step arr.forEach() method.
(3) As we know this method return a callback function and this has two parameters 'item' and 'index'as shown above example.
(4) The forEach method iterate all items like a for loop one by one.
Advantages of forEach() method
(1) It has a clear syntax.
(2) the forEach method keeps the variables from the callback function bound to the local scope
(3) The forEach method is less error prone.
Thank you for reading...
Original Link: https://dev.to/dev_shubham/array-foreach-method-in-javascript-4k9d
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